docs: def _parse_normalizations(normalizations):
          """Parse and yield normalizations.
  
          Parse normalizations parameter that yield all normalizations and
          arguments found on it.
  
          Args:
              normalizations: List of normalizations.
  
          Yields:
              A tuple with a parsed normalization. The first item will
              contain the normalization name and the second will be a dict
              with the arguments to be used for the normalization.
          """
          str_type = str if sys.version_info[0] > 2 else (str, unicode)
  
          for normalization in normalizations:
              yield (normalization, {}) if isinstance(normalization, str_type) else normalization